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Calculations must be re-checked, shouldn't be used alone for patient care, and don't substitute for professional judgment. See our full disclaimer.
Determines the cause of renal failure. Similar to the FENa, but can be used on patients on diuretics.
Fractional Excretion of Urea (FEUrea) = (SerumCr * UUrea ) / (SerumUrea x UCr) %
This test can provide similar information to the FENa equation, but can still be used in patients on diuretic therapy (diuretics alter the sodium concentration, making the FENa equation unusable).
Calculations must be re-checked and should not be used alone to guide patient care nor should they substitute for clinical judgement. disclaimer